How do the fares for airlines that directly compete compare? The accompanying table contains roundtrip fares for nonstop travel from a particular city to 10 different destinations in the same country on two airlines that a frequent flyer collected. Complete parts (a) through (c) below. Click the icon to view the data on roundtrip airline fares. a. At the 0.01 level of significance, is there evidence of a difference in mean roundtrip fare between Airline A and Airline B? Let μ, be the mean roundtrip fares for Airline A, and let μ₂ be the mean roundtrip fares for Airline B. What are the correct null and alternative hypotheses? OA. Ho: HD #0 (where HD =H₁-H₂) B. Ho: HD=0 (where HD =H₁-H₂) H₁: HD 0 H₁: HD=0 OC. Ho: HD 20 (where HD =H₁-H₂) H₁: HD <0 OD. Ho: HD 0 (where HD =H₁-H₂) H₁: HD SO OE. Ho: HD <0 (where HD =H₁-H₂) H₁: HD 20 OF. Ho: HD 50 (where HD H₁-H₂) H₁: HD >0 What is the test statistic? ISTAT (Round to two decimal places as needed.)

How does changing from two-tailed test to one-tailed test increases power of a statistical test?

If an ANOVA test is conducted and the null hypothesis is rejected, what does this indicate? Multiple Choice The p-value is greater than a. At least one pair of population means is different. The population means are equal. All population means are different.

Test the claim that the proportion of men who own cats is significantly different than the proportion of women who own cats at the 0.01 significance level. Based on a sample of 80 men, 25% owned catsBased on a sample of 40 women, 50% owned catsThe test statistic is:  (to 2 decimals)The p-value is:  (to 2 decimals)